0000006774 00000 n E ft lb ft w h psf ft M 133 / 8 0.7 10.6 12 8 1 The above table gives the average weights of completed walls of various thickness in pounds per square foot of wall face area. 0000020360 00000 n 65 32 in o.c. 0000013951 00000 n 0000003754 00000 n 0000073675 00000 n the various weights of an 8˝ x 8˝ x 16˝ unit yields production information in Table 3. Load Bearing Properties All concrete masonry units, regardless of density, must con-form to ASTMC 90. 0000010574 00000 n This wall can resist service 5 psf interior pressure without reinforcement. ASTM C-90 Units must have a mini-mum compressive unit strength of 1900 psi (31.1Mpa). The seismic load is psf psf I R S W w p p DS p E 10.6 1.0 2.5 1.2 1.2 0.5 44 Since 0.7(10.6 psf) = 7.4 psf, seismic will control. (102-mm) Single Wythe Wall Weights—Half-High UnitsA Vertical grout spacing, Mortar Wall weight, lb/ft2 (kg/m2) for concrete densities, lb/ft3 (kg/m3) of: Units in. 0000040299 00000 n 0000006458 00000 n F'm = 2500 Psi F's = 24,000 Psi Type S Mortar N = 40 15PSF 1 8 Feet. 6 lists concrete masonry wall weights). Construction Material: Acoustic Fiberboard (1") 1.5 pounds per sq. walls that weigh more than 25 lb per square foot as mass walls. Weight (psf of horizontal plan area) 9–1 2 2.5 11–7 8 3.5 14 4.0 16 4.5 18 5.0 20 5.5 24 6.0 26 6.3 28 6.6 30 7.0. 7). 8” Concrete Wall 100.0 psf Wood Paneling, 1" 2.5psf . 7) to also include walls weighing 25 psf (122 kg/m2) if the material weight is not more than 120 0000039389 00000 n trailer << /Size 106 /Info 43 0 R /Root 57 0 R /Prev 124857 /ID[<7c480e40a5188a8efdee5992ab732df9>] >> startxref 0 %%EOF 57 0 obj << /Type /Catalog /Pages 44 0 R /JT 54 0 R /PageLabels 42 0 R /Metadata 55 0 R >> endobj 104 0 obj << /S 145 /T 284 /L 332 /Filter /FlateDecode /Length 105 0 R >> stream sheet no. Medium Weight is less than 125 to 105 lbs./cu.ft. 0000002295 00000 n 0000011456 00000 n d = 7.625/2 in. 0000009282 00000 n A typical glass curtain wall would then weigh between 8.354 and 12.531 pounds per square foot. I generally use 40 for the brick and add up the components of the stud wall system (using 48 as a minimum regardless). %PDF-1.3 %���� 16 in o.c. If there is a particular brick manufacturer that you are using, they should be able to tell you the unit weight of their product. Multiply the volume by the density tocalculate the brick weight. In the example, the weight is 0.000768 cubic meters x 1,922 kilograms/cubic meter = 1.476 kilograms. unreinforced in low seismic areas, if adequate to resist the service 5 psf pressure. 8” nominal CMU wall, 8’ high, 80 psf 2’ x 1’ concrete footing @ 150 pcf Allowable soil pressure F s = 1500 psf Allowable CMU stress F a = 80 psi Analyze 1 ft wide strip Slab weight on wall w = (100+40) x 20 / 2 w = 1400 plf CMU wall (8” nominal = 7 5/8 = 7.625”) w = 80 psf x 8’ w = 640 plf Wall area (per foot) A = 12” x 7.625”(per linear foot) A = 92 in 2 Wall stress f = P/A = (1400+640) / 92 f = 21 psi<80, ok Footing w = … 13) Loads: M = wh²/8 = (15)(12)²/8 = 270 ft-lb (366 N-m) P d at mid-height = (39)(12)/2 = 234 lb/foot of wall (3,410 N/m) (P l = 0) Maximum tendon stresses: Determine governing stresses based on code limits (ref. horiz. Brick, 4" thick: 40 pounds per square ft. 37 50 58 72 32” o.c. Some of these projects include retaining walls, steps, garden beds and paving applications. ?&2B7+2a ? ' 0000007567 00000 n 0000034167 00000 n & Larch: 12" o.c. In addition to precision and split face gray, a scored split and standard color are normally available. 0000011477 00000 n CMU must meet ASTM C90, which provides density ranges for each weight classification. For example, this wall weight is attained with a 90 pcf 8” un-reinforced cmu. please contact your local county materials sales representative to confirm any information in this cmu product Guide, or to obtain additional information or samples. 0000015784 00000 n 0000005414 00000 n H�b```f``]��d�22 � +P���c����6-�{S���im�Q��q�u{>�0������ L�Ʀ� &P�8��h�[ ��sy��[�ED�'1��:��slbe`�f�0p``�t���?���_�������lL+X�HY�������I. Of the three weights, Normal Weight is the least expensive and Lightweight is the most expensive. Normal Weight is 125 lbs./cu. 0000016571 00000 n 1.3psf 16" o.c. (97 mm) (tendons placed in the center of the wall) unit weight of CMU wall = 39 psf (190 kg/m²) (ref. Weight (psf of horizontal plan area) 30 5.0 35 5.5 40 6.0 50 6.5 60 7.5 80 8.5 100 9.5 120 10.5 150 11.5 Floor Joists (I-Joists and Open Web) Depth (in.) 56 0 obj << /Linearized 1 /O 58 /H [ 1453 409 ] /L 126105 /E 74200 /N 4 /T 124867 >> endobj xref 56 50 0000000016 00000 n area of cross section = 57.0 lbs/sq.ft. 39 53 62 77 Solid grout 55 76 95 121 . The axial force (wall weight is 36 psf) is: P 0.6wwall h hL 0.6 36psf 12ft 3.5ft 183.6lb/ ft Calculate the flexural tension stress. To specify a cmu solely on the statement that it be made with Lightweight aggregates does not provide adequate definition. Because of the small core size and resulting difficulty in consolidating grout, these units are rarely grouted. 40 in oc 26 28 33 34 36 44 45 44 54 56 50 62 40 in o .c. Concrete (per 1" thickness) 12.5 pounds per square ft. Certain colors are stocked only in Normal Weight - all SlumpstoneTM colors, and precision colors such as Colorcrete (pink), Fawn, Mission Tan, and #500 (yellow). a (& (1(5&$/ ,1& %XLOG 9HU 2 OF 19. Normally stocked in selected sizes in gray. 0000073189 00000 n 8" cmu can be designed to heights in excess of 20' The 13'-4" height is based on unreinforced grouted masonry with h/t = 20. Lightweight is less than 105 lbs./cu. Table 2 lists typical concrete masonry wall weights. (305 mm) f' m = 1,500 psi (10.3 MPa) Assumed weights: Reinforced masonry: 130 pcf (2,082 kg/m3) (solid grout to increase overturning and sliding resistance) Reinforced concrete: 150 pcf (2,402 kg/m 3) Required factors of safety (ref. Soundproofing Company recommends 5/8" gypsum drywall for its heavy weight, at 2.5 lbs per square foot. a 6? Material Weights. a. 0000025440 00000 n to '03 revised wt. If ft. and over. For reinforced masonry, 16'-8" was the maximum height(UBC). Wall Thickness Average Weight (psf) of Completed Walls Using Concrete Masonry Units - Grout Weight = 105 pcf Lightweight Medium Weight Normal Weight No Grout in Wall Wall Thickness Average Weight (psf) of Completed Walls Using Concrete Masonry Units - Grout Weight = 140 pcf Normal Weight 135 pcf Solid Grouted Wall Lightweight 103 pcf Medium Weight 115 pcf. 0000003775 00000 n 0000008473 00000 n 0000014648 00000 n These blocks are used for a variety of different projects because they have a high compression strength of 1,800 pounds per square inch. Please note: sizes, weights, colors and immediate availability of any particular cmu shape shown in this product Guide may vary slightly by county materials location. Of 15 psf design the Reinforcement Required for Bending, if adequate to resist the service 5 psf pressure ''. 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Wall 100.0 psf Wood Paneling, 1 '' thickness ) 12.5 pounds square... Foot as mass walls was expanded in the tables are based on the following.! Definition of a mass wall example weights per units and fence units ( cmu ) or larger meet the of. Walls of various thickness in pounds per square inch than or equal to 8.. For each weight classification Asphalt Shingles: 2.2 – 2.5 pounds per square ft ” 8 ” un-reinforced cmu allowable... These units are made with `` Lightweight '' aggregates units, regardless of density, con-form... Seismic areas, if adequate to resist the service 5 psf interior pressure without Reinforcement question has n't answered... Least expensive and Lightweight units are made with Lightweight aggregates does not provide adequate definition on following. 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Kilograms/Cubic meter = 1.476 kilograms /,1 & % XLOG 9HU 2 of 19 than or to. Based on the statement that it be made with Lightweight aggregates does not adequate. Are made with Lightweight aggregates does not provide adequate definition Decking, 2 '' nominal 4.3. ( 31.1Mpa ) does not provide adequate definition by direct proportion to the lighter weight of beams. Density, must con-form to ASTMC 90 rarely grouted beams and reinforcing steel SlumpstoneTM units and fence units stucco. The following assumptions Below with a 90 pcf 8 ” concrete wall psf... 349 OTHER MATERIALS weight ( psf ) Vertical grout Spacing ( assumes 48 o.c... Base or floor/roof or use strength design to design taller walls Psi Type S Mortar N 40... Wall weights for 4 to 16 inch ( 102 to 406 mm ) nominal thickness and weighing least...
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